<?php

/** Sets up the WordPress Environment. */
require( dirname(__FILE__) . '/wp-load.php' );

add_action( 'wp_head', 'signuppageheaders' ) ;

require( 'wp-blog-header.php' );
require_once( ABSPATH . WPINC . '/registration.php' );

if( is_array( get_site_option( 'illegal_names' )) && $_GET[ 'new' ] != '' && in_array( $_GET[ 'new' ], get_site_option( 'illegal_names' ) ) == true ) {
	wp_redirect( "http://{$current_site->domain}{$current_site->path}" );
	die();
}

function do_signup_header() {
	do_action("signup_header");
}
add_action( 'wp_head', 'do_signup_header' );

function signuppageheaders() {
	echo "<meta name='robots' content='noindex,nofollow' />\n";
}

if( $current_blog->domain . $current_blog->path != $current_site->domain . $current_site->path ) {
	wp_redirect( "http://" . $current_site->domain . $current_site->path . "wp-signup.php" );
	die();
}

function wpmu_signup_stylesheet() {
	?>
	<style type="text/css">	
		.mu_register { width: 90%; margin:0 auto; }
		.mu_register form { margin-top: 2em; }
		.mu_register .error { font-weight:700; padding:10px; color:#333333; background:#FFEBE8; border:1px solid #CC0000; }
		.mu_register #submit,
			.mu_register #blog_title,
			.mu_register #user_email, 
			.mu_register #blogname,
			.mu_register #user_name { width:100%; font-size: 24px; margin:5px 0; }	
		.mu_register .prefix_address,
			.mu_register .suffix_address {font-size: 18px;display:inline; }			
		.mu_register label { font-weight:700; font-size:15px; display:block; margin:10px 0; }
		.mu_register label.checkbox { display:inline; }
		.mu_register .mu_alert { font-weight:700; padding:10px; color:#333333; background:#ffffe0; border:1px solid #e6db55; }
	</style>
	<?php
}

add_action( 'wp_head', 'wpmu_signup_stylesheet' );
get_header();
?>
<div id="content" class="widecolumn">
<div class="mu_register">
<?php
function show_blog_form($blogname = '', $blog_title = '', $errors = '') {
	global $current_site;
	// Blog name
	if( constant( "VHOST" ) == 'no' )
		echo '<label for="blogname">' . __('Blog Name:') . '</label>';
	else
		echo '<label for="blogname">' . __('Blog Domain:') . '</label>';

	if ( $errmsg = $errors->get_error_message('blogname') ) { ?>
		<p class="error"><?php echo $errmsg ?></p>
	<?php }

	if( constant( "VHOST" ) == 'no' ) {
		echo '<span class="prefix_address">' . $current_site->domain . $current_site->path . '</span><input name="blogname" type="text" id="blogname" value="'.$blogname.'" maxlength="50" /><br />';
	} else {
		echo '<input name="blogname" type="text" id="blogname" value="'.$blogname.'" maxlength="50" /><span class="suffix_address">.' . $current_site->domain . $current_site->path . '</span><br />';
	}
	if ( !is_user_logged_in() ) {
		print '(<strong>' . __( 'Your address will be ' );
		if( constant( "VHOST" ) == 'no' ) {
			print $current_site->domain . $current_site->path . __( 'blogname' );
		} else {
			print __( 'domain.' ) . $current_site->domain . $current_site->path;
		}
		echo '.</strong> ' . __( 'Must be at least 4 characters, letters and numbers only. It cannot be changed so choose carefully!)' ) . '</p>';
	}

	// Blog Title
	?>
	<label for="blog_title"><?php _e('Blog Title:') ?></label>	
	<?php if ( $errmsg = $errors->get_error_message('blog_title') ) { ?>
		<p class="error"><?php echo $errmsg ?></p>
	<?php }
	echo '<input name="blog_title" type="text" id="blog_title" value="'.wp_specialchars($blog_title, 1).'" /></p>';
	?>

	<p>
		<label for="blog_public_on"><?php _e('Privacy:') ?></label>
		<?php _e('I would like my blog to be visible to other users with posts listed site wide. Selecting No will still give you access to all sections of the site although your blog and posts will not be available to all users.'); ?> 
		<div style="clear:both;"></div>
		<label class="checkbox" for="blog_public_on">
			<input type="radio" id="blog_public_on" name="blog_public" value="1" <?php if( !isset( $_POST['blog_public'] ) || $_POST['blog_public'] == '1' ) { ?>checked="checked"<?php } ?> />
			<strong><?php _e( 'Yes' ); ?></strong>
		</label>
		<label class="checkbox" for="blog_public_off">
			<input type="radio" id="blog_public_off" name="blog_public" value="0" <?php if( isset( $_POST['blog_public'] ) && $_POST['blog_public'] == '0' ) { ?>checked="checked"<?php } ?> />
			<strong><?php _e( 'No' ); ?></strong>
		</label>
	</p>
	
	<?php
	do_action('signup_blogform', $errors);
}

function validate_blog_form() {
	$user = '';
	if ( is_user_logged_in() )
		$user = wp_get_current_user();

	return wpmu_validate_blog_signup($_POST['blogname'], $_POST['blog_title'], $user);
}

function show_user_form($user_name = '', $user_email = '', $errors = '') {
	// User name
	echo '<label for="user_name">' . __('Username:') . '</label>';
	if ( $errmsg = $errors->get_error_message('user_name') ) {
		echo '<p class="error">'.$errmsg.'</p>';
	}
	echo '<input name="user_name" type="text" id="user_name" value="'.$user_name.'" maxlength="50" /><br />';
	_e('(Must be at least 4 characters, letters and numbers only.)');
	?>

	<label for="user_email"><?php _e('Email&nbsp;Address:') ?></label>
	<?php if ( $errmsg = $errors->get_error_message('user_email') ) { ?>
		<p class="error"><?php echo $errmsg ?></p>
	<?php } ?>		
	<input name="user_email" type="text" id="user_email" value="<?php  echo wp_specialchars($user_email, 1) ?>" maxlength="200" /><br /><?php _e('(We&#8217;ll send your password to this address, so <strong>triple-check it</strong>.)') ?>
	<br /> <br /> 
   <?php
	if ( $errmsg = $errors->get_error_message('generic') ) {
		echo '<p class="error">'.$errmsg.'</p>';
	}
   
	do_action( 'signup_extra_fields', $errors );
}

function validate_user_form() {
	return wpmu_validate_user_signup($_POST['user_name'], $_POST['user_email']);
}

function signup_another_blog($blogname = '', $blog_title = '', $errors = '') {
	global $current_user, $current_site;
	
	if ( ! is_wp_error($errors) ) {
		$errors = new WP_Error();
	}

	// allow definition of default variables
	$filtered_results = apply_filters('signup_another_blog_init', array('blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors ));
	$blogname = $filtered_results['blogname'];
	$blog_title = $filtered_results['blog_title'];
	$errors = $filtered_results['errors'];

	echo '<h2>' . sprintf( __('Get <em>another</em> %s blog in seconds'), $current_site->site_name ) . '</h2>';

	if ( $errors->get_error_code() ) {
		echo "<p>" . __('There was a problem, please correct the form below and try again.') . "</p>";
	}
	?>
	<p><?php printf(__("Welcome back, %s. By filling out the form below, you can <strong>add another blog to your account</strong>. There is no limit to the number of blogs you can have, so create to your heart's content, but blog responsibly."), $current_user->display_name) ?></p>
	
	<?php
	$blogs = get_blogs_of_user($current_user->ID);	
	if ( !empty($blogs) ) { ?>
		<p>
			<?php _e('Blogs you are already a member of:') ?>
			<ul>
				<?php foreach ( $blogs as $blog ) {
					echo "<li><a href='http://" . $blog->domain . $blog->path . "'>" . $blog->domain . $blog->path . "</a></li>";
				} ?>
			</ul>
		</p>
	<?php } ?>
	
	<p><?php _e("If you&#8217;re not going to use a great blog domain, leave it for a new user. Now have at it!") ?></p>
	<form id="setupform" method="post" action="wp-signup.php">
		<input type="hidden" name="stage" value="gimmeanotherblog" />
		<?php do_action( "signup_hidden_fields" ); ?>
		<?php show_blog_form($blogname, $blog_title, $errors); ?>
		<p>
			<input id="submit" type="submit" name="submit" class="submit" value="<?php _e('Create Blog &raquo;') ?>" /></p>
	</form>
	<?php
}

function validate_another_blog_signup() {
	global $wpdb, $current_user, $blogname, $blog_title, $errors, $domain, $path;
	$current_user = wp_get_current_user();
	if( !is_user_logged_in() )
		die();

	$result = validate_blog_form();
	extract($result);

	if ( $errors->get_error_code() ) {
		signup_another_blog($blogname, $blog_title, $errors);
		return false;
	}

	$public = (int) $_POST['blog_public'];
	$meta = apply_filters('signup_create_blog_meta', array ('lang_id' => 1, 'public' => $public)); // depreciated
	$meta = apply_filters( "add_signup_meta", $meta );

	wpmu_create_blog( $domain, $path, $blog_title, $current_user->id, $meta, $wpdb->siteid );
	confirm_another_blog_signup($domain, $path, $blog_title, $current_user->user_login, $current_user->user_email, $meta);
	return true;
}

function confirm_another_blog_signup($domain, $path, $blog_title, $user_name, $user_email = '', $meta = '') {
	?>
	<h2><?php printf(__('The blog %s is yours.'), "<a href='http://{$domain}{$path}'>{$blog_title}</a>" ) ?></h2>
	<p>
		<?php printf(__('<a href="http://%1$s">http://%2$s</a> is your new blog.  <a href="%3$s">Login</a> as "%4$s" using your existing password.'), $domain.$path, $domain.$path, "http://" . $domain.$path . "wp-login.php", $user_name) ?>
	</p>
	<?php
	do_action('signup_finished');
}

function signup_user($user_name = '', $user_email = '', $errors = '') {
	global $current_site, $active_signup;

	if ( !is_wp_error($errors) )
		$errors = new WP_Error();
	if( isset( $_POST[ 'signup_for' ] ) ) {
		$signup[ wp_specialchars( $_POST[ 'signup_for' ] ) ] = 'checked="checked"';
	} else {
		$signup[ 'blog' ] = 'checked="checked"';
	}

	// allow definition of default variables
	$filtered_results = apply_filters('signup_user_init', array('user_name' => $user_name, 'user_email' => $user_email, 'errors' => $errors ));
	$user_name = $filtered_results['user_name'];
	$user_email = $filtered_results['user_email'];
	$errors = $filtered_results['errors'];

	?>
	
	<h2><?php // printf( __('Get your own %s account in seconds'), $current_site->site_name ) ?></h2>
	<form id="setupform" method="post" action="wp-signup.php">
		<input type="hidden" name="stage" value="validate-user-signup" />
		<?php do_action( "signup_hidden_fields" ); ?>
      
		<?php show_user_form($user_name, $user_email, $errors); ?>
		
		<p>
		<?php if( $active_signup == 'blog' ) { ?>
			<input id="signupblog" type="hidden" name="signup_for" value="blog" />
		<?php } elseif( $active_signup == 'user' ) { ?>
			<input id="signupblog" type="hidden" name="signup_for" value="user" />
		<?php } else { ?>
			<input id="signupblog" type="radio" name="signup_for" value="blog" <?php echo $signup['blog'] ?> />
			<label class="checkbox" for="signupblog"><?php _e('Gimme a blog!') ?></label>	
			<br />			
			<input id="signupuser" type="radio" name="signup_for" value="user" <?php echo $signup['user'] ?> />			
			<label class="checkbox" for="signupuser"><?php _e('Just a username, please.') ?></label>
		<?php } ?>
		</p>
		
		<input id="submit" type="submit" name="submit" class="submit" value="<?php _e('Next &raquo;') ?>" />
	</form>
	<?php
}

function validate_user_signup() {
	$result = validate_user_form();
	extract($result);

	if ( $errors->get_error_code() ) {
		signup_user($user_name, $user_email, $errors);
		return false;
	}

	if ( 'blog' == $_POST['signup_for'] ) {
		signup_blog($user_name, $user_email);
		return false;
	}

	wpmu_signup_user($user_name, $user_email, apply_filters( "add_signup_meta", array() ) );

	confirm_user_signup($user_name, $user_email);
	return true;
}

function confirm_user_signup($user_name, $user_email) {
	?>
	<h2><?php printf(__('%s is your new username'), $user_name) ?></h2>
	<p><?php _e('But, before you can start using your new username, <strong>you must activate it</strong>.') ?></p>
	<p><?php printf(__('Check your inbox at <strong>%1$s</strong> and click the link given.'),  $user_email) ?></p>
	<p><?php _e('If you do not activate your username within two days, you will have to sign up again.'); ?></p>
	<?php
	do_action('signup_finished');
}

function signup_blog($user_name = '', $user_email = '', $blogname = '', $blog_title = '', $errors = '') {
	if ( !is_wp_error($errors) )
		$errors = new WP_Error();

	// allow definition of default variables
	$filtered_results = apply_filters('signup_blog_init', array('user_name' => $user_name, 'user_email' => $user_email, 'blogname' => $blogname, 'blog_title' => $blog_title, 'errors' => $errors ));
	$user_name = $filtered_results['user_name'];
	$user_email = $filtered_results['user_email'];
	$blogname = $filtered_results['blogname'];
	$blog_title = $filtered_results['blog_title'];
	$errors = $filtered_results['errors'];

	if ( empty($blogname) )
		$blogname = $user_name;
	?>
	<form id="setupform" method="post" action="wp-signup.php">
		<input type="hidden" name="stage" value="validate-blog-signup" />
		<input type="hidden" name="user_name" value="<?php echo $user_name ?>" />
		<input type="hidden" name="user_email" value="<?php echo $user_email ?>" />
		<?php do_action( "signup_hidden_fields" ); ?>
		<?php show_blog_form($blogname, $blog_title, $errors); ?>
		<p>
			<input id="submit" type="submit" name="submit" class="submit" value="<?php _e('Signup &raquo;') ?>" /></p>
	</form>
	<?php
}

function validate_blog_signup() {
	// Re-validate user info.
	$result = wpmu_validate_user_signup($_POST['user_name'], $_POST['user_email']);
	extract($result);

	if ( $errors->get_error_code() ) {
		signup_user($user_name, $user_email, $errors);
		return false;
	}

	$result = wpmu_validate_blog_signup($_POST['blogname'], $_POST['blog_title']);
	extract($result);

	if ( $errors->get_error_code() ) {
		signup_blog($user_name, $user_email, $blogname, $blog_title, $errors);
		return false;
	}

	$public = (int) $_POST['blog_public'];
	$meta = array ('lang_id' => 1, 'public' => $public);
	$meta = apply_filters( "add_signup_meta", $meta );

	wpmu_signup_blog($domain, $path, $blog_title, $user_name, $user_email, $meta);
	confirm_blog_signup($domain, $path, $blog_title, $user_name, $user_email, $meta);
	return true;
}

function confirm_blog_signup($domain, $path, $blog_title, $user_name = '', $user_email = '', $meta) {
	?>
	<h2><?php printf(__('Congratulations! Your new blog, %s, is almost ready.'), "<a href='http://{$domain}{$path}'>{$blog_title}</a>" ) ?></h2>
	
	<p><?php _e('But, before you can start using your blog, <strong>you must activate it</strong>.') ?></p>
	<p><?php printf(__('Check your inbox at <strong>%s</strong> and click the link given. It should arrive within 30 minutes.'),  $user_email) ?></p>
	<p><?php _e('If you do not activate your blog within two days, you will have to sign up again.'); ?></p>
	<h2><?php _e('Still waiting for your email?'); ?></h2>
	<p>
		<?php _e("If you haven't received your email yet, there are a number of things you can do:") ?>
		<ul>
			<li><p><strong><?php _e('Wait a little longer.  Sometimes delivery of email can be delayed by processes outside of our control.') ?></strong></p></li>
			<li><p><?php _e('Check the junk email or spam folder of your email client.  Sometime emails wind up there by mistake.') ?></p></li>
			<li><?php printf(__("Have you entered your email correctly?  We think it's %s but if you've entered it incorrectly, you won't receive it."), $user_email) ?></li>
		</ul>
	</p>
	<?php
	do_action('signup_finished');
}

// Main
$active_signup = get_site_option( 'registration' );
if( !$active_signup )
	$active_signup = 'all';

$active_signup = apply_filters( 'wpmu_active_signup', $active_signup ); // return "all", "none", "blog" or "user"

if( is_site_admin() )
	echo '<div class="mu_alert">' . sprintf( __( "Greetings Site Administrator! You are currently allowing '%s' registrations. To change or disable registration go to your <a href='wp-admin/wpmu-options.php'>Options page</a>." ), $active_signup ) . '</div>';

$newblogname = isset($_GET['new']) ? strtolower(preg_replace('/^-|-$|[^-a-zA-Z0-9]/', '', $_GET['new'])) : null;

$current_user = wp_get_current_user();
if( $active_signup == "none" ) {
	_e( "Registration has been disabled." );
} elseif( $active_signup == 'blog' && !is_user_logged_in() ){
	if( is_ssl() ) {
		$proto = 'https://';
	} else {
		$proto = 'http://';
	}
	$login_url = site_url( 'wp-login.php?redirect_to=' . urlencode($proto . $_SERVER['HTTP_HOST'] . '/wp-signup.php' ));
	echo sprintf( __( "You must first <a href=\"%s\">login</a>, and then you can create a new blog."), $login_url );
} else {
	switch ($_POST['stage']) {
		case 'validate-user-signup' :
			if( $active_signup == 'all' || $_POST[ 'signup_for' ] == 'blog' && $active_signup == 'blog' || $_POST[ 'signup_for' ] == 'user' && $active_signup == 'user' )
				validate_user_signup();
			else
				_e( "User registration has been disabled." );
		break;
		case 'validate-blog-signup':
			if( $active_signup == 'all' || $active_signup == 'blog' )
				validate_blog_signup();
			else
				_e( "Blog registration has been disabled." );
			break;
		case 'gimmeanotherblog':
			validate_another_blog_signup();
			break;
		default :
			$user_email = $_POST[ 'user_email' ];
			do_action( "preprocess_signup_form" ); // populate the form from invites, elsewhere?
			if ( is_user_logged_in() && ( $active_signup == 'all' || $active_signup == 'blog' ) ) {
				signup_another_blog($newblogname);
			} elseif( is_user_logged_in() == false && ( $active_signup == 'all' || $active_signup == 'user' ) ) {
				signup_user( $newblogname, $user_email );
			} elseif( is_user_logged_in() == false && ( $active_signup == 'blog' ) ) {
				_e( "I'm sorry. We're not accepting new registrations at this time." );
			} else {
				_e( "You're logged in already. No need to register again!" );
			}
			if ($newblogname) {
				if( constant( "VHOST" ) == 'no' )
					$newblog = 'http://' . $current_site->domain . $current_site->path . $newblogname . '/';
				else
					$newblog = 'http://' . $newblogname . '.' . $current_site->domain . $current_site->path;
				if ($active_signup == 'blog' || $active_signup == 'all')
					printf(__("<p><em>The blog you were looking for, <strong>%s</strong> doesn't exist but you can create it now!</em></p>"), $newblog );
				else
					printf(__("<p><em>The blog you were looking for, <strong>%s</strong> doesn't exist.</em></p>"), $newblog );
			}
			break;
	}
}
?>
</div>
</div>

<?php get_footer(); ?>
